refactoring exchangedb tests to improve coverage

1 files changed, 150 insertions, 0 deletions

diff --git a/src/exchangedb/test_exchangedb_denomkeys.c b/src/exchangedb/test_exchangedb_denomkeys.c
new file mode 100644
index 000000000..0d6ff3a99
--- /dev/null
+++ b/src/exchangedb/test_exchangedb_denomkeys.c
@@ -0,0 +1,150 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2014 GNUnet e. V. (and other contributing authors)
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file exchangedb/test_exchangedb_denomkeys.c
+ * @brief test cases for some functions in exchangedb/exchangedb_denomkeys.c
+ * @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ */
+#include "platform.h"
+#include "gnunet/gnunet_util_lib.h"
+#include "taler_signatures.h"
+#include "taler_exchangedb_lib.h"
+
+#define RSA_KEY_SIZE 1024
+
+
+#define EXITIF(cond)                                              \
+  do {                                                            \
+    if (cond) { GNUNET_break (0); goto EXITIF_exit; }             \
+  } while (0)
+
+/**
+ * @brief Iterator called on denomination key.
+ *
+ * @param cls closure with expected DKI
+ * @param dki the denomination key
+ * @param alias coin alias
+ * @return #GNUNET_OK to continue to iterate,
+ *  #GNUNET_NO to stop iteration with no error,
+ *  #GNUNET_SYSERR to abort iteration with error!
+ */
+static int
+dki_iter (void *cls,
+          const char *alias,
+          const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki)
+{
+  const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *exp = cls;
+
+  if (0 != memcmp (&exp->issue,
+                   &dki->issue,
+                   sizeof (struct TALER_EXCHANGEDB_DenominationKeyInformationP)))
+  {
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
+  if (0 !=
+      GNUNET_CRYPTO_rsa_private_key_cmp (exp->denom_priv.rsa_private_key,
+                                         dki->denom_priv.rsa_private_key))
+  {
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
+  if (0 !=
+      GNUNET_CRYPTO_rsa_public_key_cmp (exp->denom_pub.rsa_public_key,
+                                        dki->denom_pub.rsa_public_key))
+  {
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
+  return GNUNET_OK;
+}
+
+
+int
+main (int argc,
+      const char *const argv[])
+{
+  struct TALER_EXCHANGEDB_DenominationKeyIssueInformation dki;
+  char *enc;
+  size_t enc_size;
+  struct TALER_EXCHANGEDB_DenominationKeyIssueInformation dki_read;
+  char *enc_read;
+  size_t enc_read_size;
+  char *tmpfile;
+  char *tmpdir;
+  int ret;
+
+  ret = 1;
+  GNUNET_log_setup ("test-exchangedb-denomkeys",
+                    "WARNING",
+                    NULL);
+  enc = NULL;
+  enc_read = NULL;
+  tmpfile = NULL;
+  dki.denom_priv.rsa_private_key = NULL;
+  dki_read.denom_priv.rsa_private_key = NULL;
+  GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+                              &dki.issue,
+                              sizeof (struct TALER_EXCHANGEDB_DenominationKeyInformationP));
+  dki.denom_priv.rsa_private_key
+    = GNUNET_CRYPTO_rsa_private_key_create (RSA_KEY_SIZE);
+  dki.denom_pub.rsa_public_key
+    = GNUNET_CRYPTO_rsa_private_key_get_public (dki.denom_priv.rsa_private_key);
+  enc_size = GNUNET_CRYPTO_rsa_private_key_encode (dki.denom_priv.rsa_private_key,
+                                                   &enc);
+  EXITIF (NULL == (tmpdir = GNUNET_DISK_mkdtemp ("test_exchangedb_dki")));
+  GNUNET_asprintf (&tmpfile,
+                   "%s/%s/%s/%s",
+                   tmpdir,
+                   TALER_EXCHANGEDB_DIR_DENOMINATION_KEYS,
+                   "cur-unit-uuid",
+                   "testkey.key");
+  EXITIF (GNUNET_OK !=
+          TALER_EXCHANGEDB_denomination_key_write (tmpfile,
+                                                   &dki));
+  EXITIF (GNUNET_OK !=
+          TALER_EXCHANGEDB_denomination_key_read (tmpfile,
+                                                  &dki_read));
+  EXITIF (1 !=
+          TALER_EXCHANGEDB_denomination_keys_iterate (tmpdir,
+                                                      &dki_iter,
+                                                      &dki));
+
+
+  enc_read_size = GNUNET_CRYPTO_rsa_private_key_encode (dki_read.denom_priv.rsa_private_key,
+                                                        &enc_read);
+  EXITIF (enc_size != enc_read_size);
+  EXITIF (0 != memcmp (enc,
+                       enc_read,
+                       enc_size));
+  ret = 0;
+
+  EXITIF_exit:
+  GNUNET_free_non_null (enc);
+  if (NULL != tmpfile)
+  {
+    (void) unlink (tmpfile);
+    GNUNET_free (tmpfile);
+  }
+  GNUNET_free_non_null (enc_read);
+  if (NULL != dki.denom_priv.rsa_private_key)
+    GNUNET_CRYPTO_rsa_private_key_free (dki.denom_priv.rsa_private_key);
+  if (NULL != dki.denom_pub.rsa_public_key)
+    GNUNET_CRYPTO_rsa_public_key_free (dki.denom_pub.rsa_public_key);
+  if (NULL != dki_read.denom_priv.rsa_private_key)
+    GNUNET_CRYPTO_rsa_private_key_free (dki_read.denom_priv.rsa_private_key);
+  return ret;
+}